After updating from 20.04 LTS "focal fossa" to to 20.10 "groovy gorilla", this issue seems solved (does not occur anymore).
** Changed in: alsa-ucm-conf (Ubuntu) Status: New => Fix Released -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1871544 Title: No sound on Asus X206HA cx2072x [SOLVED? with workaround] To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/alsa-ucm-conf/+bug/1871544/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs